From c393f2881d835da2542384827ff1837284ef3c11 Mon Sep 17 00:00:00 2001
From: Clark Du <clark.duxin@gmail.com>
Date: Wed, 11 Apr 2018 22:35:20 +0800
Subject: [PATCH] fix: webpackHotUpdate is not defined in HMR

---
 lib/builder/webpack/client.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/builder/webpack/client.js b/lib/builder/webpack/client.js
index f5fd39a682..87b581f8fd 100644
--- a/lib/builder/webpack/client.js
+++ b/lib/builder/webpack/client.js
@@ -51,7 +51,9 @@ export default class WebpackClientConfig extends WebpackBaseConfig {
     )
 
     if (this.options.dev) {
-      plugins.push(new webpack.HotModuleReplacementPlugin())
+      plugins.push(new webpack.HotModuleReplacementPlugin({
+        multiStep: true
+      }))
     }
 
     // Chunks size limit